Neutral hydrogen in bright galaxies with strong radio sources

Details Neutral hydrogen in bright galaxies with strong radio sources Neutral hydrogen in bright galaxies with strong radio sources

Sep 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...260...75m&link_type=abstract

Astrophysical Journal, Part 1, vol. 260, Sept. 1, 1982, p. 75-80.

Astronomy and Astrophysics

Astronomy

78

Galactic Nuclei, Hydrogen Clouds, Interstellar Matter, Radio Sources (Astronomy), Centimeter Waves, Line Spectra, Neutral Gases

Scientific paper

The 21-cm wavelength neutral hydrogen spectra for 12 galaxies with strong nuclear radio sources have yielded absorption features in six of the galaxies with total velocity widths of up to 525 km/sec in N2623 and 743 km/sec in I4553. The velocity gradients and total column densities of the absorption suggest an origin in clouds located in central parts of the galaxies. H I emission having a total velocity width of 820 km/sec, measured in the isolated spiral N5635, is found to imply a mass of 1.7 trillion solar masses.

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